(19)

(11)

EP 2 385 888 A2

(12)

(88) Date of publication A3: 26.08.2010 (43) Date of publication: 16.11.2011 Bulletin 2011/46 (21) Application number: 09836813.7 (22) Date of filing: 14.12.2009

(51) International Patent Classification (IPC):  B24D 11/02(2006.01) B24D 7/00(2006.01) B24D 3/26(2006.01) (86) International application number: PCT/US2009/067915 (87) International publication number: WO 2010/077826 (08.07.2010 Gazette 2010/27)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR (30) Priority: 30.12.2008 US 203877 P (71) Applicants: Saint-Gobain Abrasives, Inc. Worcester, MA 01615 (US) Saint-Gobain Abrasifs 78700 Conflans-Sainte-Honorine (FR)	(72) Inventors: CHUNG-FAT, Mervyn F-92200 Neuilly (FR) PELLEGRINO, Biagio, P. Watervliet NY 12189 (US) LUTTENSCHLAGER, Vivien F-75011 Paris (FR) (74) Representative: Zimmermann & Partner  Postfach 33 09 20 80069 München 80069 München (DE)